Of the four glass-vaulted wings, one fronts on Via Toledo ( via Roma ), still the main downtown thoroughfare, and another opens onto the San Carlo Theater.

It has returned to being an active center of Neapolitan civic life after some years of decay.

The Umberto's Gallery is the setting for The Gallery ( 1947 ) by the American writer John Horne Burns ( 1916-1953 ) usually described as a novel, more accurately a series of fictional pieces, based on his own experiences as a GI in Naples shortly after the liberation of the city.